package com.wnhz.work.yz.base;
import android.graphics.Rect;
import android.support.v7.widget.RecyclerView;
import android.view.View;

/**
 * Created by d on 2017/3/23.
 */
public class SpaceItemDecoration extends  RecyclerView.ItemDecoration{

    private int space;

    public SpaceItemDecoration(int space) {
        this.space = space;
    }
        @Override
        public void getItemOffsets(Rect outRect, View view, RecyclerView parent, RecyclerView.State state) {
            //不是第一个的格子都设一个左边和底部的间距
            outRect.left = space;
            outRect.bottom = space;
            //由于每行都只有3个，所以第一个都是3的倍数，把左边距设为0
            if (parent.getChildLayoutPosition(view) %2==0) {
                outRect.left = 0;
            }
        }
}